Amethyst is one of the best crystals to cope with Anxiety. A protective, moderating and calming stone which works through the Crown Chakra in the emotional, spiritual, and physical planes to promote calm, balance, and peace, inspiring an enhanced meditative state. It is used to eliminate impatience and aid in overcoming drugs and psychological addiction.
It also is said to bring emotional stability and inner strength by dispelling anxiety, fear, anger and rage. Often used to heal grief as it enhances one's connection with the divine, opening the Crown and Third-Eye Chakras and gaining deeper insight on the Universe.
Birthstone for February and November, it's the primary crystal for Aquarius and Pisces.